{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <link href="{% static 'login/css/login.css' %}" rel="stylesheet"/>
    <title>登录</title>
</head>
<body>
<div class="container">
    <div class="col">
        <form class="form-login" action="/login/" method="post">
            {% if login_form.captcha.errors %}
                <div class="alert alert-warnindeing">{{ login_form.captcha.errors }}</div>
            {% elif message %}
                <div class="alert alert-warning">{{ message }}</div>
            {% endif %}
            {% csrf_token %}
            <h3 class="text-center">欢迎登录！</h3>

            <div class="form-group">
                {{ login_form.username.label_tag }}
                {{ login_form.username }}
            </div>
            <div class="form-group">
                {{ login_form.password.label_tag }}
                {{ login_form.password }}
            </div>
            <div class="form-group">
                {{ login_form.captcha.label_tag }}
                {{ login_form.captcha }}
            </div>

            <div>
                <a class="text-success" href="/register/">
                    <ins>新用户注册</ins>
                </a>
                <button class="btn btn-primary float-right" type="submit">登录</button>
            </div>
        </form>
    </div>
</div>
{# 以下三者的引用顺序是固定的 #}
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
<script src="https://cdn.bootcss.com/popper.js/1.15.0/umd/popper.js"></script>
<script src="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</body>
</html>